Instructions

Preparation

Stand to side of low pulley. Place hand on support bar with
arm straight. Place foot nearest supporting arm forward with
knee slightly bent and opposite foot back. Grasp cable stirrup
with one hand, allowing shoulder to be pulled forward under weight
on cable.

Execution

Pull cable attachment to side of torso while pulling shoulder
back, arching spine, and pushing chest forward. Return until
arm is extended and shoulder is pulled forward. Repeat. Continue
with opposite arm.